import java.sql.SQLOutput;

public class Dog extends Animals implements swim {
        @Override
        public void eat() {
            System.out.println("狗吃SHIT");
        }

        public void watchHouse() {
            System.out.println("狗看家");
        }

        @Override
        public void swim() {
            System.out.println("狗刨");
        }
    }

